问题
选择题
The engineers are so busy that they have no time for outdoor sports activities，________ they have the interest.
A．wherever
B．whenever
C．even if
D．as if
答案
答案：C
解析 句意为：工程师们都很忙，以致于他们没有时间去做户外运动，即使他们有兴趣。even if即使，符合句意。